TCD segment
The test code detail segment contains the data necessary to perform operations or calculations, or execute decisions by the laboratory automation system, and which are not supported by the original HL7 segments related to orders (ORC, OBR). For detail of use see messages of laboratory orders and observations in chapters 4 and 7. 13.4.10.0 TCD Field Definitions 13.4.10.1 TCD-1 Universal Service Identifier (CE) 00238
The shape of one line
required optional
TCD-2 and its value arrives as TCD-1, so the receiver stores Auto-Dilution Factor as Universal Service Identifier.This page carries the TCD field table as published and nothing beyond it. The field notes, vendor behaviour, FHIR mapping and parsing guidance that thePID page has are still to be written for TCD.
Every field
| SEQ | LEN | DT | OPT | RP/# | TBL# | ITEM# | Element name | Cardinality |
|---|---|---|---|---|---|---|---|---|
| 250 | CE | R | 00238 | Universal Service Identifier | 1..1 | |||
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| 20 | SN | O | 01420 | Auto-Dilution Factor | 0..1 | |||
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| 20 | SN | O | 01421 | Rerun Dilution Factor | 0..1 | |||
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| 20 | SN | O | 01422 | Pre-Dilution Factor | 0..1 | |||
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| 20 | SN | O | 01413 | Endogenous Content of Pre-Dilution Diluent | 0..1 | |||
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| TCD-6 | 1 | ID | O | 0136 | 01416 | Automatic Repeat Allowed | 0..1 | |
| TCD-7 | 1 | ID | O | 0136 | 01424 | Reflex Allowed | 0..1 | |
| 250 | CE | O | 0389 | 01425 | Analyte Repeat Status | 0..1 | ||
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Related
Message types carrying TCD
TCD appears in 7 message structures, belonging to 2 message types.